12061442431 has 2 divisors, whose sum is σ = 12061442432. Its totient is φ = 12061442430.

The previous prime is 12061442363. The next prime is 12061442467. The reversal of 12061442431 is 13424416021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12061442431 - 2⁹ = 12061441919 is a prime.

It is a super-2 number, since 2×12061442431² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12061442431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12061449431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6030721215 + 6030721216.

It is an arithmetic number, because the mean of its divisors is an integer number (6030721216).

Almost surely, 2^12061442431 is an apocalyptic number.

12061442431 is a deficient number, since it is larger than the sum of its proper divisors (1).

12061442431 is an equidigital number, since it uses as much as digits as its factorization.

12061442431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 12061442431 its reverse (13424416021), we get a palindrome (25485858452).

The spelling of 12061442431 in words is "twelve billion, sixty-one million, four hundred forty-two thousand, four hundred thirty-one".